The Communist Party of Great Britain (Provisional Central Committee) is a political group which publishes the Weekly Worker newspaper. The party favours the creation of a unified "Communist Party of the European Union".[3] In addition it is in favour of the unification of the existing Marxist left in the United Kingdom, to be achieved through a political struggle against what it claims are its present deficiencies. It is not to be confused with the now-defunct Communist Party of Great Britain or the current Communist Party.

Few actually regained party cards but the grouping began to publish The Leninist, first as a journal, then as a more or less monthly paper. Initially The Leninist appeared to some to be a Stalinist publication in its politics, but over time it mutated into something very different. This may be due to their interaction with various Trotskyist groups including a series of exchanges with the Spartacist League. The faction developed a critique of the Stalinist states as well as the bureaucratism and political liquidationism of the old CPGB.

After the dissolution of the 'official' CPGB in 1991, and its relaunch as the Democratic Left, the group declared their intention to reforge the party on what they declared to be "firm Leninist principles". They organised an "emergency conference", at which they claimed the CPGB name, but not its assets. They also changed the name of their paper, increasing its regularity to weekly.

By the early 1990s the group was working closely with the tiny Revolutionary Democratic Group and the discussion magazine Open Polemic. It also sought to deepen its links with a group of recent ex-members of the Socialist Workers Party who called themselves the International Socialist Group. The CPGB (PCC) described this process as "Communist rapprochement". The attempt failed as the ISG collapsed and Open Polemic briefly enrolled a few of its supporters in the CPGB (PCC), only for them to quit in a row over money.[citation needed]

In 2004 the group affiliated to the Respect Coalition. A minority disagreed with the tactic of working within Respect and formed a faction called the Red Platform. The new faction called instead for the CPGB (PCC) to rejoin a Socialist Alliance reform current called the Socialist Alliance Democracy Platform. The Red Platform won their aim but the CPGB (PCC) majority continued to work within Respect. Members of the Red Platform subsequently left to create the Red Party in August 2004 over a disagreement about their views being published in the paper.

The Campaign agreed three founding political principles at the founding conference: 1. We are in favour of a planned, democratic socialist society and against the market; 2. Socialism will be achieved in a single step when the working class seizes power over society, there are no intermediate “democratic” or other stages; 3. The Campaign is against the destructive incubus of Stalinism and will seek to make clear the counter revolutionary and anti-human nature of the Stalinist regimes and Parties. Stalinism was responsible for mass slaughter, brutal incarceration and the atomisation of the people of the countries under its control. In addition the Stalinists were responsible for the most cynical and costly betrayals of the working class everywhere from Germany to South Africa – no Party which has as its aim the liberation of humanity can do other than condemn the Stalinist current and seek to undo the damage done to Marxism by it.

Its seven-member executive mainly consisted of members of the CPGB (PCC) and the Democratic Socialist Alliance criticised the party for its "hijacking" of the campaign.[10] A group of members became known as the Trotskyist Tendency. The campaign published Marxist Voice.[11]

In November 2008 it was announced that the CPGB would move to wind up the campaign at its December AGM.[12] Having done so, it claimed it will establish a new committee to promote "unity of Marxists as Marxists".[13] A minority of members objected to the dissolution of the campaign including in published articles by Dave Spencer,[14] Phil Sharpe[15] and Steve Freeman.[16] Since then, the CPGB has operated tendencies in both the Labour Party (as Labour Party Marxists[17]) and Left Unity (as the Communist Platform of Left Unity[18]).

In 2013, the CPGB intervened in the campaign for a new left party initiated by film director Ken Loach. The CPGB accused the campaign's initial appeal of making "Keynesian platitudes"[19] and called for a new formation on the left to have an explicitly Marxist programme.[20] The CPGB described the "politically decrepit" Socialist Resistance as "the one ‘insider’ group" in the campaign[21] and accused the group of attempting "to relive old Labour-style Keynesian welfarism."[22]

In the run up to the Left Unity founding conference in November 2013, the CPGB launched the Communist Platform in response to the Socialist Platform "[obscuring] the differences between Marxism and a left reading of clause four-type politics."[23] The CPGB launched the Communist Platform as a permanent tendency in Left Unity on 8 February 2014.[24] On 29 March 2014, CPGB member Yassamine Mather was elected to Left Unity's National Council at the party's first policy conference.[25]

The party has been involved in a rethinking of the class nature of the former USSR. Despite its origins in the NCP, The Leninist advanced sharp criticisms of the Soviet Union and the Eastern bloc countries, while strongly opposing movements it considered to be in support of capitalism.[26] Today, leading member Jack Conrad calls these societies "bureaucratic socialist",[27] in a view strongly influenced by Hillel Ticktin and the Critique journal,[28] while Mike Macnair argues that the USSR was a peasant based society frozen in transition from feudalism to capitalism.[29] However, the CPGB (PCC) does not formally endorse any particular theoretical analysis of the USSR.